19080080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3019}}^1$

素因数の和:3111

約数の個数: 40

約数和(自身を含む): 44937600

約数和(自身を除く): 25857520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3019, 3160, 6038, 6320, 12076, 15095, 24152, 30190, 48304, 60380, 120760, 238501, 241520, 477002, 954004, 1192505, 1908008, 2385010, 3816016, 4770020, 9540040, 19080080]

約数ペア:

[(1, 19080080), (2, 9540040), (4, 4770020), (5, 3816016), (8, 2385010), (10, 1908008), (16, 1192505), (20, 954004), (40, 477002), (79, 241520), (80, 238501), (158, 120760), (316, 60380), (395, 48304), (632, 30190), (790, 24152), (1264, 15095), (1580, 12076), (3019, 6320), (3160, 6038)]